13 October 2021: Clinical Research
Comparing the Traditional Versus Conservative Endodontic Access Cavities Design of the Maxillary First Molar: Using Cone-Beam Computed Tomography
Huachao Sui 1ABE* , Bo Zhao 2ABE* , Haidan Nie 1BE* , Xin Hao 1BG , Feng Qiao 3C , Cuicui Sun 1C , Changyi Li 4G , Liwen Zhou 1E , Ligeng Wu 1AG*DOI: 10.12659/MSM.932410
Med Sci Monit 2021; 27:e932410
Table 1 Symbols used and descriptions of the 16 CBCT measurements.
| Symbols | Clinical meanings | |
|---|---|---|
| (x, y) | x | Buccal-lingual distance: the distance from the buccal marginal ridge to the lingual marginal ridge |
| y | Mesio-distal distance: the distance from the mesial marginal ridge to the distal marginal ridge | |
| (x, y) | x | x-Coordinate of MB pulp horn: the distance from the MB pulp horn to the buccal marginal ridge |
| y | y-Coordinate of MB pulp horn: the distance from the MB pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of DB pulp horn: the distance from the DB pulp horn to the buccal marginal ridge |
| y | y-Coordinate of DB pulp horn: the distance from the DB pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of MP pulp horn: the distance from the MP pulp horn to the buccal marginal ridge |
| y | y-Coordinate of MP pulp horn: the distance from the MP pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of DP pulp horn: the distance from the DP pulp horn to the buccal marginal ridge |
| y | y-Coordinate of DP pulp horn: the distance from the DP pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of MB orifice: the distance from the MB root canal orifice to the buccal marginal ridge |
| y | y-Coordinate of MB orifice: the distance from the MB root canal orifice to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of DB orifice: the distance from the DB root canal orifice to the buccal marginal ridge |
| y | y-Coordinate of DB orifice: the distance from the DB root canal orifice to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of P orifice: the distance from the P root canal orifice to the buccal marginal ridge |
| y | x-Coordinate of P orifice: the distance from the P root canal orifice to the mesial marginal ridge | |
| MB – mesiobuccal; DB – distobuccal; MP – mesiopalatal; DP – distopalatal; P – palatal; CBCT – cone-beam computed tomography. | ||